• Principal Linux Systems…

    Northrop Grumman (Aurora, CO)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a... environments + Candidates must have a current DOD ** Top ** ** Secret /SCI** levelsecurity clearance, to include a… more
    Northrop Grumman (09/23/25)
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  • Principal Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd Come… more
    Leidos (08/11/25)
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  • Linux System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …challenges in the space domain? We need your help. Our team is looking for a ** Linux System Administrator ** . In this role you will support multiple ... key tasks, establish networking rules for cybersecurity and troubleshoot Linux system errors or other technical issues....accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance… more
    Parsons Corporation (09/04/25)
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  • Senior Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/18/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    ManTech is seeking a ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort ... and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform resource… more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    MANTECH seeks a motivated and customer-focused ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ... and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform resource… more
    ManTech (08/08/25)
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  • Principal Linux System…

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a **Principal Linux System Administrator ** . + Responsibilities include building, ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using… more
    RTX Corporation (07/19/25)
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  • Linux Systems Administrator…

    Deloitte (Colorado Springs, CO)
    …need for employer sponsorship, now or at any time in the future. + Active Top Secret with SCI eligibility security clearance required + Role requires candidates ... 3+ years of cyber security experience with emphasis on Linux Systems Administration. + 3+ years of...an individual to be hired at or near the top of the range for their role and compensation… more
    Deloitte (09/19/25)
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  • Swdc MSS Linux Systems…

    Northrop Grumman (Colorado Springs, CO)
    …team on the Specialized Warfighter Development Contract (SWDC) program as a Principal Systems Administrator based out of Schriever SFB, CO. This is an ... not available. What You'll get to Do: The Principal Systems Administrator primary duties include installing, troubleshooting,...Operations and Maintenance activities of IT infrastructure * Active Top Secret with SCI eligibility What We… more
    Northrop Grumman (08/30/25)
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  • Cleared IT Systems Administrator…

    BAE Systems (Broomfield, CO)
    …BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and ... **Preferred Education, Experience, & Skills** + Red Hat Certified System Administrator (RHCSA). + Linux ...based on position level and/or job specifics. **Cleared IT Systems Administrator Senior** **115020BR** EEO Career Site… more
    BAE Systems (09/09/25)
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